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Ocellatin-LB1, solution structure in DPC micelle by NMR spectroscopy
Authors
Gusmao, K.A.G., dos Santos, D.M., Santos, V.M., Pilo-Veloso, D., de Lima, M.E., Resende, J.M.
Assembly
Ocellatin-LB1
Entity
1. Ocellatin-LB1 (polymer, Thiol state: not present), 23 monomers, 2191.615 Da Detail

GVVDILKGAA KDIAGHLASK VMX


Formula weight
2191.615 Da
Source organism
Leptodactylus labyrinthicus
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 95.7 %, Completeness: 83.8 %, Completeness (bb): 82.6 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All83.8 % (197 of 235)89.9 % (107 of 119)73.4 % (69 of 94)95.5 % (21 of 22)
Backbone82.6 % (109 of 132)97.9 % (46 of 47)66.7 % (42 of 63)95.5 % (21 of 22)
Sidechain87.7 % (107 of 122)84.7 % (61 of 72)92.0 % (46 of 50)
Aromatic25.0 % (1 of 4)50.0 % (1 of 2) 0.0 % (0 of 2)
Methyl100.0 % (36 of 36)100.0 % (18 of 18)100.0 % (18 of 18)

1. entity 1

GVVDILKGAA KDIAGHLASK VMX

Sample

Solvent system trifluoroethanol/water, Pressure 1 atm, Temperature 273.15 K, pH 4, Details 1.5 mM Ocellatin-LB1, 400 mM d38 DPC, 5 % 99.75% D2O, trifluoroethanol/water.


#NameIsotope labelingTypeConcentration
1D2O[U-99.75 2H]5 %
2DPCd38400 mM
3Ocellatin-LB1natural abundance1.5 mM

Protein Blocks Logo
Calculated from 10 models in PDB: 5U9V, Strand ID: A Detail


Release date
2017-03-21
Citation
Ocellatin peptides from the skin secretion of the South American frog Leptodactylus labyrinthicus (Leptodactylidae): characterization, antimicrobial activities and membrane interactions
Gusmao, K., Dos Santos, D.M., Santos, V.M., Cortes, M.E., Reis, P., Santos, V.L., Pilo-Veloso, D., Verly, R.M., de Lima, M.E., Resende, J.M.
J. Venom. Anim. Toxins Incl. Trop. Dis. (2017), 23, 4-4, PubMed 28115922 , DOI 10.1186/s40409-017-0094-y ,
Experiments performed 4 experiments Detail
NMR combined restraints 4 contents Detail
Keywords ALPHA HELIX, AMPHIPATHIC CHARACTER, ANTIMICROBIAL PEPTIDE, ANTIMICROBIAL PROTEIN, C-TERMINAL CARBOXYAMIDATION, OCELLATIN